The second-largest city on the East Coast and sixth-largest in the United States, Philadelphia is within 200 miles of 46 million people. It’s the cradle of liberty, a city of medical firsts and the only World Heritage City in the nation. It’s home to James Beard Award-winning chefs, was named one of the most walkable cities in the nation and lies less than 2 hours from New York City and Washington, D.C., by Amtrak. See more of Philadelphia By The Numbers here.